CAIE IGCSE Chemistry 2.3.4 Relative Atomic Mass of an Element Questions
Use isotope masses and percentage abundances to calculate weighted-average relative atomic mass.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- calculate relative atomic mass from isotope masses and percentage abundances
- determine isotope abundance from a stated relative atomic mass
- identify the data required to calculate relative atomic mass
- interpret weighted-average isotope data
CAIE IGCSE Chemistry 2.3.4 Relative Atomic Mass of an Element Questions question 1
The percentage abundances of three isotopes in a sample of neon are shown.
What is the relative atomic mass, , of this sample of neon?
A
10.19
B
20.19
C
21.00
D
30.19
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